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I need to set-up a site-to site VPN with several of my clients. My VPN endpoint is a SonicWall TZ170. Here's the configuration:

Phone line->DSL Modem->Ooma (PPPOE)->Sonicwall->LAN

The Ooma is configured to connect via PPPOE, and has received a public IP address. However, on the "Home" screen of setup.ooma.com, it always shows "Internet: Detecting...". I seem to have full internet access.

The LAN address of the Telo is 172.27.35.1The DHCP range is from x.x.x.10-160

I manually set the Sonicwall to 172.27.35.2 so that it would be static on the LANI've also set this address in the Ooma's DMZ address field.

There's no VPN connectivity, so I tried entering TCP & UDP port 500 forwarding to the Sonicwall. Still no-go.

Is there something going on with the Ooma that it isn't allowing an IPSEC tunnel to the DMZ?

Change the Sonic wall back to DHCP.Set the address range that ooma issues to have both the start and end IP addresses at 172.27.35.2.This guarantees that the Sonicwall will get 172.27.35.2.It also allows the gateway, mask, and DNS entries to be automatically populated.

Customer since January 2009Telo with 2 Handsets, a Linx, and a Safety PhoneTelo2 with 2 Handsets and a Linx